Consolidated Balance Sheets (USD $)	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 7,853,343	$ 6,601,416
Accounts receivable, less allowance	12,904,168	12,330,665
Inventories	24,494,992	22,292,909
Deferred income taxes	281,573	206,732
Prepaid expenses and other current assets	988,288	1,195,613
Total current assets	46,522,364	42,627,335
Property, plant and equipment:
Land	288,313	160,405
Buildings	2,276,662	2,298,712
Machinery and equipment	7,657,373	6,859,056
Total property, plant and equipment	10,222,348	9,318,173
Less: accumulated depreciation	7,716,224	7,102,419
Net plant, property and equipment	2,506,124	2,215,754
Note receivable	1,765,831	1,839,262
Intangible assets, less accumulated amortization	3,284,663	1,866,231
Deferred income taxes	1,053,926	943,606
Other assets	88,828	88,828
Total assets	55,221,736	49,581,018
Current liabilities:
Accounts payable	4,935,495	5,678,910
Other accrued liabilities	3,768,525	3,538,649
Total current liabilities	8,704,020	9,217,559
Long-term debt	17,568,484	13,522,000
Other accrued liabilities - non current	1,174,305	1,489,648
Total liabilities	27,446,809	24,229,207
STOCKHOLDERS' EQUITY
Common stock, par value $2.50: authorized 8,000,000 shares; issued - 4,454,024 shares in 2011 and 4,374,574 shares in 2010, including treasury stock	11,134,303	10,935,676
Treasury stock, at cost, 1,319,047 shares in 2011 and 1,305,237 shares in 2010	(11,844,354)	(11,710,616)
Additional paid-in capital	5,120,277	4,603,194
Accumulated other comprehensive loss	(1,038,319)	(875,157)
Retained earnings	24,403,020	22,398,714
Total stockholders' equity	27,774,927	25,351,811
Total liabilities and stockholders' equity	$ 55,221,736	$ 49,581,018